How To Fix UCUW151 - Parameter is either incomplete or invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: UCUW -

• Message number: 151

• Message text: Parameter is either incomplete or invalid

What causes this issue?

The permanent parameter settings are incomplete or invalid.

System Response

The application cannot be launched.

How to fix this error?

Correct the permanent parameters.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCUW151 - Parameter is either incomplete or invalid ?

  The SAP error message UCUW151, which states "Parameter is either incomplete or invalid," typically occurs in the context of SAP's User Communication and Workflow (UCUW) functionalities. This error can arise due to various reasons, often related to the configuration or input parameters in a workflow or communication process.
  Causes:
  
  Incomplete Parameters: The parameters required for a specific function or transaction are not fully provided. This could be due to missing fields in a form or transaction.
  Invalid Parameters: The parameters provided do not meet the expected format or criteria. This could include incorrect data types, out-of-range values, or unsupported characters.
  Configuration Issues: There may be issues with the configuration of the workflow or communication settings in the SAP system.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to execute the transaction or access certain parameters.
  
  Solutions:
  
  Check Input Parameters: Review the parameters you are entering to ensure they are complete and valid. Make sure all required fields are filled out correctly.
  Validate Data Types: Ensure that the data types of the parameters match what is expected by the system. For example, if a numeric value is expected, ensure that you are not entering text.
  Review Configuration: If you have access, check the configuration settings related to the workflow or communication process. Ensure that all necessary settings are correctly configured.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or function you are using to understand the required parameters and their formats.
  Check Authorizations: Ensure that you have the necessary authorizations to perform the action you are attempting. If not, contact your system administrator to request the required access.
  Debugging: If you have technical knowledge, you can use transaction codes like SE80 or SE37 to debug the function module or workflow to identify where the parameters are failing.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the UCUW151 error and implement a suitable solution.